Home / 10,565.92-15,847.93-3,172.03

Finding the Fourth Proportional to 10,565.92, 15,847.93 and 3,172.03

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Solution

The fourth proportional to 10,565.92, 15,847.93 and 3,172.03 is: 4,757.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,565.92 : 15,847.93 = 3,172.03 : x
  2. Step 2: Convert to fraction form
    10,565.92/15,847.93 = 3,172.03/x
  3. Step 3: Cross multiply
    10,565.92x = 15,847.93 × 3,172.03
  4. Step 4: Simplify right side
    10,565.92x = 50,270,109.40
  5. Step 5: Solve for x
    x = 50,270,109.40/10,565.92
  6. Step 6: Final answer
    x = 4,757.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.